Displaying 1 result from an estimated 1 matches for "omesub".
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mesut
2005 Sep 27
2
Using unsplit - unsplit does not seem to reverse the effect of split
In data OME in MASS I would like to extract the first 5 observations per subject (=ID). So I do
library(MASS)
OMEsub <- split(OME, OME$ID)
OMEsub <- lapply(OMEsub,function(x)x[1:5,])
unsplit(OMEsub, OME$ID)
- which results in
[[1]]
[1] 1 1 1 1 1
[[2]]
[1] 30 30 30 30 30
[[3]]
[1] low low low low low
Levels: N/A high low
[[4]]
[1] 35 35 40 40 45
[[5]]
[1] coherent incoherent coherent incoherent coher...